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Added 3 mins ago
MS
Capture Director / Business Development
MDA Space
Ottawa, ON
- Full-time
…delivering integrated mission systems and multi-domain C4ISR integration, enabling trusted Canadian and coalition operations, assured interoperability, and sustained…
Added 3 mins ago
MS
Capture Director / Business Development
MDA Space
Ottawa, ON · Kanata, ON
- Full-time
…delivering integrated mission systems and multi-domain C4ISR integration, enabling trusted Canadian and coalition operations, assured interoperability, and sustained…
Added 3 mins ago
AW
Senior Developer - R&D Tools & Systems
Arctic Wolf
Waterloo, ON
- $75,000 to $246,000 CAD / year
- Full-time
We are looking for a highly skilled Senior Developer to plan, organize, and manage the design, build, and maintenance of reproducible lab environments to support integration with…
Added 3 mins ago
C
IT System Architecture Specialist-EN
CAE
Montreal, QC
- Full-time
…experts safeguarding our future - every role is essential. Our enterprise functions don’t just support; they lead, playing a critical role in shaping the company’s path forward and ensuring…
Added 18 mins ago
CO
Manager, Digital Solutions
City of Saint John
Saint John, NB
- Full-time
The Manager, Digital Solutions, is responsible for the delivery and ongoing management of the City’s enterprise applications, digital solutions, and data and information management…
Added 18 mins ago
M
Copy of Senior Genesys Cloud PS Consultant (Genesys AI experience)
Miratech
Mississauga, ON · Toronto
- Full-time
Evaluating technical architecture and integration options between Genesys Cloud AI, enterprise knowledge repositories, and internal applications.
Added 18 mins ago
M
Copy of Copy of Senior Genesys Cloud PS Consultant (Genesys AI experience)
Miratech
Vaughan, ON · Toronto
- Full-time
Evaluating technical architecture and integration options between Genesys Cloud AI, enterprise knowledge repositories, and internal applications.
Added 18 mins ago
M
Copy of Copy of Copy of Senior Genesys Cloud PS Consultant (Genesys AI experience)
Miratech
Brampton, ON · Toronto
- Full-time
Evaluating technical architecture and integration options between Genesys Cloud AI, enterprise knowledge repositories, and internal applications.
Added 18 mins ago
GD
Intermediate Systems Engineer – ISTAR
General Dynamics Missions System International
Ottawa, ON
- $80,000 to $88,000 CAD / year
- Full-time
In this role, you will contribute to the design, development, integration and validation of complex systems that enable military communications, situational awareness and operational…
Added 18 mins ago
GD
Junior Systems Engineer – ISTAR
General Dynamics Missions System International
Ottawa, ON
- $75,000 to $80,000 CAD / year
- Full-time
…contribute to system architecture, requirements development, integration and verification…
Added 18 mins ago
GD
Working Level Systems Engineer – ISTAR
General Dynamics Missions System International
Ottawa, ON
- $88,000 to $105,000 CAD / year
- Full-time
In this role, you will contribute to the design, development, integration and validation of complex systems that support military communications, situational awareness and operational…
Added 32 mins ago
RI
Technical Lead - Contact Center/Amazon Connect
Raas Infotek
Toronto, ON
- Contract
Lead the design, development, implementation, and support of enterprise Contact Center solutions.
Added 32 mins ago
KR
Technical Lead
KTek Resourcing
Toronto, ON
- Contract
Lead the design, development, implementation, and support of enterprise Contact Center solutions.
Added 32 mins ago
TI
Machine Learning Engineer - Senior
TekStaff IT Solutions
Toronto, ON
- Contract
…reliably from development into production and scale across the enterprise. Responsibilities: Creates machine learning models and utilizes data to train models Focuses on analyzing data to…
Added 32 mins ago
KR
Amazon Connect IVR Developer
KTek Resourcing
Toronto, ON
- Contract
Lead the design, development, implementation, and support of enterprise Contact Center solutions.
Added 32 mins ago
DL
Salesforce Data Cloud Developer
Diverse Lynx
Toronto, ON
- Contract
We are seeking an experienced Salesforce Data Cloud Developer to design, implement, and optimize enterprise-scale customer data solutions using Salesforce Data Cloud. The ideal candidate…
Added 33 mins ago
MQ
Senior QA Analyst – IVR & Contact Centre Testing
Miipe Quality Solutions
Markham, ON
- $60,000 to $75,000 CAD / year
- Full-time
Perform functional, integration, system, regression, end-to-end, and User Acceptance Testing (UAT).
Added 33 mins ago
GD
Intermediate Systems Engineer – ISTAR
General Dynamics Mission Systems–Canada
Ottawa, ON
- $80,000 to $88,000 CAD / year
- Full-time
In this role, you will contribute to the design, development, integration and validation of complex systems that enable military communications, situational awareness and operational…
Added 33 mins ago
SR
Data Governance Consultant
Stellar Recruitment Inc.
Burnaby, BC
- $90 to $110 CAD / hour
- Contract
Strong understanding of enterprise data management disciplines, including data quality, metadata management, data architecture, data modelling, master data management, data integration, and…
Added 33 mins ago
GD
Working Level Systems Engineer – ISTAR
General Dynamics Mission Systems–Canada
Ottawa, ON
- $88,000 to $105,000 CAD / year
- Full-time
In this role, you will contribute to the design, development, integration and validation of complex systems that support military communications, situational awareness and operational…
Added 33 mins ago
SL
ServiceNow Associate Software Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
Design, develop, test, and maintain enterprise software applications and integration solutions
Added 47 mins ago
CE
Principal Strategic Deal Maker- Sales Executive
Capgemini Engineering
Mississauga, ON
- Full-time
Knowledge of enterprise technology trends including Cloud, AI, Data & Analytics, Digital Engineering, Cybersecurity, Intelligent Automation, and Platform Modernization
Added 48 mins ago
RE
Director Business Development, Optimization - Power Producers
Rodan Energy Solutions Inc.
Mississauga, ON
- Full-time
…utility-scale batteries and generation. FlexOps covers SCADA integration and commissioning, automated dispatch, day-ahead and real-time bidding, operating reserve, 24/7 operations, and…
Added 1 hour ago
AA
Software Engineer IV, Viper Engineering
ACV Auctions
Toronto, ON
- Full-time
The ideal candidate has a strong background and proven track record of architecting and designing enterprise applications in Go Lang and Node.JS, a penchant for high quality code, and a…
Added 1 hour ago
CA
Data Engineering & Platforms Manager
Canadian Addiction Treatment Centres (CATC)
Markham, ON
- Full-time
…development, operation and continuous improvement of CATC's enterprise data…

ACV Auctions

Software Engineer IV, Viper Engineering

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Dec 4, 2026
Posting language: English
Posted: Nov 4, 2026

Original job description

If you are looking for a career at a dynamic company with a people-first mindset and a deep culture of growth and autonomy, ACV is the right place for you! Competitive compensation packages and learning and development opportunities, ACV has what you need to advance to the next level in your career. We will continue to raise the bar every day by investing in our people and technology to help our customers succeed. We hire people who share our passion, bring innovative ideas to the table, and enjoy a collaborative atmosphere.

Who we are:

ACV is a technology company that has revolutionized how dealers buy and sell cars online. We are transforming the automotive industry. ACV Auctions Inc. (ACV), has applied innovation and user-designed, data driven applications and solutions. We are building the most trusted and efficient digital marketplace with data solutions for sourcing, selling and managing used vehicles with transparency and comprehensive insights that were once unimaginable. We are disruptors of the industry and we want you to join us on our journey.

At ACV we focus on the Health, Physical, Financial, Social and Emotional Wellness of our Teammates and to support this we offer:

Company Sponsored (paid) Healthcare, Dental, Vision, Life/AD&D, Short-Term and Long-Term Disability.
Comprehensive additional optional benefits such Critical Illness and Supplemental Life/AD&D.
All insurance benefits go into effect on your date of hire.
Generous Parental Leave Top-Up Pay and Vacation Programs.
Employee Stock Purchase Program with additional opportunities to earn stock in the company.
Retirement planning through the Company’s RRSP.

Who we are looking for:

ACV Auctions is looking for a Software Engineer to join our ACV Retail - Viper Teams and work on our SaaS Product. The position will focus on backend development & maintenance of Go Lang features & services hosted in AWS and utilizing Postgres and NOSQL.

The ideal candidate has a strong background and proven track record of architecting and designing enterprise applications in Go Lang and Node.JS, a penchant for high quality code, and a team minded approach to development.

What you will do:

Develop Services using modern language stacks like Go Lang , Postgres and NoSQL databases like mongo, SQL Server is nice to have.
Design and build complex systems that can scale rapidly with little maintenance, with a strong focus on reliability, performance, and operational excellence.
Design, build, and maintain Kafka-based event processing services, including consuming, deserializing, validating, persisting, and reacting to events to drive downstream workflows.
Design and implement effective service/product interfaces, including third-party API integrations and extensible handler patterns for new integrations.
Develop and maintain application data models, including writing and tuning complex SQL queries, optimizing indexes and performance, and designing schemas that reliably support application workflows
Own larger, complex initiatives end-to-end - from discovery and requirements through delivery and production support - driving alignment across engineering and business stakeholders.
Collaborate with software and production engineers to design scalable services, plan feature roll-out, and ensure high reliability and performance of our products.
Design and develop systems across all major departments including but not limited to; data, enterprise applications, and IT.
Lead technical design and architecture decisions across multiple systems/services, and help establish standards, patterns, and best practices.
Modify and develop custom software patterns as needed to solve highly complex software problems, and clearly document tradeoffs and long-term maintenance implications.
Be accountable for the overall performance of products and/or services within a defined area of focus, including diagnosing production issues and driving improvements.
Conduct code reviews, develop high-quality documentation, and build robust test suites for your products (unit/integration testing), ensuring maintainable and well-covered code.
Provide technical leadership through mentoring, coaching, and strong design/code review feedback, helping raise overall engineering quality.
Develop roadmaps and prioritize technical debt to effectively plan features and work, balancing delivery with long-term platform health.
Drive operational maturity (observability, incident response, on-call practices, reliability goals) and lead post-incident analysis with preventative action plans.
Handle multiple competing priorities in an agile, fast-paced environment while maintaining strong engineering discipline and delivery quality.
Perform additional duties as assigned.

What you will need:

Ability to read, write, speak and understand English.
BS degree in Computer Science or a related technical discipline or equivalent practical experience preferred
Minimum 8 years of experience building SaaS web applications using Go Lang and Node.JS and/or C# nice to have (12+ years desirable).
Strong experience maintaining and extending an existing codebase, adapting to pre-existing patterns and tracing the code’s path of execution across services.
Strong experience integrating 3rd-party APIs, implementing authentication & authorization and developing asynchronous data flows.
Strong experience publishing and consuming Kafka events, including designing event contracts, building reliable event-driven workflows, and handling ordering, retries, idempotency, and failure recovery.
Strong experience developing unit and integration-tests, and setting expectations for test strategy and coverage.
Strong experience integrating with cloud service (AWS), specifically: SQS, SNS, S3, ECS, EKS, Lambda, ElasticSearch, Docker / Containers.
Strong experience working with Docker and Kubernetes, including containerization, orchestration (k8s) and serverless deployment scenarios.
Strong experience with build & deployment automation (CI/CD) and release workflows.
Strong SQL programming and data-layer development experience (schema design, query performance, indexing, and data reliability patterns).
Minimum 8 years of experience working with continuous integration and build tools.
Expert in version control systems and branching/release strategies.
Expert in software engineering tooling and mentors and drives adoption for new tools and tooling standards.
Expert in release, builds, testing and the entirety of the SDLC.
Expert at debugging distributed systems using distributed tracing and other common tools; able to lead root-cause analysis and preventative improvements.
Top notch communication skills, including clearly communicating tradeoffs and aligning stakeholders.
Experience architecting and designing systems from the ground up, including making pragmatic decisions for scalability, reliability, and maintainability.
Experience working with a geographically dispersed team across multiple timezones, including leading technical alignment and delivery across teams.

Our Values

Trust & Transparency | People First | Positive Experiences | Calm Persistence | Never Settling

At ACV, we are committed to an inclusive culture in which every individual is welcomed and empowered to celebrate their true selves. We achieve this by fostering a work environment of acceptance and understanding that is free from discrimination. ACV is committed to being an equal opportunity employer regardless of sex, race, creed, color, religion, marital status, national origin, age, pregnancy, sexual orientation, gender, gender identity, gender expression, genetic information, disability, military status, status as a veteran, or any other protected characteristic. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires reasonable accommodation, please let us know.

For information on our collection and use of your personal information, please see our Privacy Notice.

No immigration or work visa sponsorship provided for this position.

Compensation: The compensation range for this position is listed in the "Job Details" section at the bottom of this posting. Please note that final compensation will be determined based upon the applicant's relevant experience, skillset, location, business needs, market demands, and other factors as permitted by law.

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More about this job

Responsibilities

Design, build, and maintain scalable backend services and event-driven workflows using Go, Kafka, AWS, and relational and NoSQL databases, while owning complex initiatives from discovery through production support. Lead architecture and technical standards, improve reliability and operational maturity, and support engineering quality through testing, code reviews, documentation, mentoring, and roadmap planning.

Requirements

The role seeks at least 8 years of SaaS application development experience, with strong expertise in Go and Node.js, distributed systems, Kafka, AWS, SQL, containers, CI/CD, and testing. A computer science or related bachelor's degree is preferred, or equivalent practical experience; candidates should also demonstrate technical leadership, system design, communication, and experience coordinating across distributed teams.

Skills

Go
Node.js
AWS
PostgreSQL
NoSQL
Kafka
SQL
Docker
Kubernetes
Microservices Architecture
API Integration
Event-Driven Systems
CI/CD
Distributed Systems Debugging
System Design
Technical Leadership

Benefits

Company-Sponsored Healthcare
Dental Insurance
Vision Insurance
Life and AD&D Insurance
Short-Term Disability Insurance
Long-Term Disability Insurance
Critical Illness Insurance
Supplemental Life and AD&D Insurance
Parental Leave Top-Up Pay
Vacation
Employee Stock Purchase Program
Company Stock Opportunities
Retirement Planning Through RRSP

Visa sponsorship

Not detected in the job text

Keywords

Go
Node.js
C#
AWS
PostgreSQL
NoSQL
MongoDB
SQL Server
Kafka
SQS
SNS
S3
ECS
EKS
Lambda
Elasticsearch
Docker
Kubernetes
CI/CD
SaaS
Event-Driven Architecture
Third-Party API Integration
Authentication and Authorization
Schema Design
Query Optimization
Distributed Tracing
Unit Testing
Integration Testing
Agile
Automotive Digital Marketplace

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